Finding the Fourth Proportional to 42,109.30, 63,166.68 and 14,028.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,109.30 : 63,166.68 = 14,028.22 : x
2. Step 2: Convert to fraction form
   42,109.30/63,166.68 = 14,028.22/x
3. Step 3: Cross multiply
   42,109.30x = 63,166.68 × 14,028.22
4. Step 4: Simplify right side
   42,109.30x = 886,116,083.71
5. Step 5: Solve for x
   x = 886,116,083.71/42,109.30
6. Step 6: Final answer
   x = 21,043.24